Counterbores

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Capscrew Counterbores
Pilots For Counterbores
Solid Counterbores
Straight Shank Counterbores
Taper Shank Counterbores
  • 11/32 X 3/16 Counterbore Pilot

    Drill America

    11/32 X 3/16 Counterbore Pilot

    Counterboring Is The Enlargement Of A Portion Of A Hole That Has Previously Been Formed. If The Counterbored Portion Is Shallow (1/8" Or Less), The Operations Is Usually Known As Spot-Facing; For Example, A Flat Seat For A Bolt Head Or Nut. If The Hole...

    $5.14
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  • 11/32 X 1/8 Counterbore Pilot

    Drill America

    11/32 X 1/8 Counterbore Pilot

    Counterboring Is The Enlargement Of A Portion Of A Hole That Has Previously Been Formed. If The Counterbored Portion Is Shallow (1/8" Or Less), The Operations Is Usually Known As Spot-Facing; For Example, A Flat Seat For A Bolt Head Or Nut. If The Hole...

    $5.14
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  • 11/32 X 1/4 Counterbore Pilot

    Drill America

    11/32 X 1/4 Counterbore Pilot

    Counterboring Is The Enlargement Of A Portion Of A Hole That Has Previously Been Formed. If The Counterbored Portion Is Shallow (1/8" Or Less), The Operations Is Usually Known As Spot-Facing; For Example, A Flat Seat For A Bolt Head Or Nut. If The Hole...

    $5.14
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  • 11/16 X 5/16 Counterbore Pilot

    Drill America

    11/16 X 5/16 Counterbore Pilot

    Counterboring Is The Enlargement Of A Portion Of A Hole That Has Previously Been Formed. If The Counterbored Portion Is Shallow (1/8" Or Less), The Operations Is Usually Known As Spot-Facing; For Example, A Flat Seat For A Bolt Head Or Nut. If The Hole...

    $9.42
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  • 11/16 X 3/8 Counterbore Pilot

    Drill America

    11/16 X 3/8 Counterbore Pilot

    Counterboring Is The Enlargement Of A Portion Of A Hole That Has Previously Been Formed. If The Counterbored Portion Is Shallow (1/8" Or Less), The Operations Is Usually Known As Spot-Facing; For Example, A Flat Seat For A Bolt Head Or Nut. If The Hole...

    $9.42
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  • 11/16 X 1/4 Counterbore Pilot

    Drill America

    11/16 X 1/4 Counterbore Pilot

    Counterboring Is The Enlargement Of A Portion Of A Hole That Has Previously Been Formed. If The Counterbored Portion Is Shallow (1/8" Or Less), The Operations Is Usually Known As Spot-Facing; For Example, A Flat Seat For A Bolt Head Or Nut. If The Hole...

    $9.42
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  • 11/16 X 1/2 Counterbore Pilot

    Drill America

    11/16 X 1/2 Counterbore Pilot

    Counterboring Is The Enlargement Of A Portion Of A Hole That Has Previously Been Formed. If The Counterbored Portion Is Shallow (1/8" Or Less), The Operations Is Usually Known As Spot-Facing; For Example, A Flat Seat For A Bolt Head Or Nut. If The Hole...

    $9.42
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  • 1/8 X 3/32 Counterbore Pilot

    Drill America

    1/8 X 3/32 Counterbore Pilot

    Counterboring Is The Enlargement Of A Portion Of A Hole That Has Previously Been Formed. If The Counterbored Portion Is Shallow (1/8" Or Less), The Operations Is Usually Known As Spot-Facing; For Example, A Flat Seat For A Bolt Head Or Nut. If The Hole...

    $4.15
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  • 1/8 X 1/8 Counterbore Pilot

    Drill America

    1/8 X 1/8 Counterbore Pilot

    Counterboring Is The Enlargement Of A Portion Of A Hole That Has Previously Been Formed. If The Counterbored Portion Is Shallow (1/8" Or Less), The Operations Is Usually Known As Spot-Facing; For Example, A Flat Seat For A Bolt Head Or Nut. If The Hole...

    $4.15
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  • 1/4 X 5/32 Counterbore Pilot

    Drill America

    1/4 X 5/32 Counterbore Pilot

    Counterboring Is The Enlargement Of A Portion Of A Hole That Has Previously Been Formed. If The Counterbored Portion Is Shallow (1/8" Or Less), The Operations Is Usually Known As Spot-Facing; For Example, A Flat Seat For A Bolt Head Or Nut. If The Hole...

    $4.78
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  • 1/4 X 3/32 Counterbore Pilot

    Drill America

    1/4 X 3/32 Counterbore Pilot

    Counterboring Is The Enlargement Of A Portion Of A Hole That Has Previously Been Formed. If The Counterbored Portion Is Shallow (1/8" Or Less), The Operations Is Usually Known As Spot-Facing; For Example, A Flat Seat For A Bolt Head Or Nut. If The Hole...

    $4.78
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  • 1/4 X 3/16 Counterbore Pilot

    Drill America

    1/4 X 3/16 Counterbore Pilot

    Counterboring Is The Enlargement Of A Portion Of A Hole That Has Previously Been Formed. If The Counterbored Portion Is Shallow (1/8" Or Less), The Operations Is Usually Known As Spot-Facing; For Example, A Flat Seat For A Bolt Head Or Nut. If The Hole...

    $4.78
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  • 1/4 X 1/8 Counterbore Pilot

    Drill America

    1/4 X 1/8 Counterbore Pilot

    Counterboring Is The Enlargement Of A Portion Of A Hole That Has Previously Been Formed. If The Counterbored Portion Is Shallow (1/8" Or Less), The Operations Is Usually Known As Spot-Facing; For Example, A Flat Seat For A Bolt Head Or Nut. If The Hole...

    $4.78
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  • 1/4 X 1/4 Counterbore Pilot

    Drill America

    1/4 X 1/4 Counterbore Pilot

    Counterboring Is The Enlargement Of A Portion Of A Hole That Has Previously Been Formed. If The Counterbored Portion Is Shallow (1/8" Or Less), The Operations Is Usually Known As Spot-Facing; For Example, A Flat Seat For A Bolt Head Or Nut. If The Hole...

    $4.78
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  • 1/2 X 7/16 Counterbore Pilot

    Drill America

    1/2 X 7/16 Counterbore Pilot

    Counterboring Is The Enlargement Of A Portion Of A Hole That Has Previously Been Formed. If The Counterbored Portion Is Shallow (1/8" Or Less), The Operations Is Usually Known As Spot-Facing; For Example, A Flat Seat For A Bolt Head Or Nut. If The Hole...

    $5.77
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